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Securing critical infrastructure in smart cities involves addressing the interconnected nature of physical and digital systems to ensure safety, resilience, and efficiency. Begin by conducting a thorough risk assessment to identify vulnerabilities in key areas such as energy grids, water systems, transportation networks, and public safety platforms. Implement network segmentation to isolate critical systems, preventing potential breaches from spreading across the infrastructure. Stay Secure Today IoT devices with strong authentication protocols, regular firmware updates, and encryption for data in transit. Deploy AI-driven threat detection systems capable of monitoring network activity in real-time and identifying anomalies indicative of cyberattacks. Establish identity and access management (IAM) policies to enforce role-based permissions, limiting access to sensitive systems. Use blockchain technology to enhance the integrity and security of data sharing among various smart city services. Develop and test comprehensive disaster recovery and incident response plans to ensure operational continuity in the event of a cyber incident. Educate city employees and contractors about recognizing phishing attempts, securing devices, and maintaining strong passwords. Foster public trust by conducting cybersecurity awareness campaigns for residents, teaching them how to interact safely with smart city services. Collaborate with government agencies, private sector partners, and cybersecurity firms to develop standardized protocols and share threat intelligence. Regularly audit all systems, applications, and networks to ensure compliance with regulations and address emerging vulnerabilities. Through these measures, smart cities can innovate responsibly while protecting their infrastructure and citizens from potential cyber threats.